Transcriptomics

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Molecular states during acute COVID-19 reveal distinct etiologies of long-term sequelae


ABSTRACT: Post-acute sequelae of SARS-CoV-2 infection are debilitating, clinically heterogeneous, and of unknown molecular etiology. A transcriptome-wide investigation was performed in acutely infected patients followed clinically into the post-acute period. Distinct gene-expression signatures of post-acute sequelae were already present in whole-blood during acute infection, with innate and adaptive immune cells implicated in different symptoms. Two clusters of sequelae exhibited divergent plasma-cell associated gene-expression patterns. In one cluster, sequelae associated with higher expression of immunoglobulin-related genes in an anti-spike antibody titer-dependent manner. In the other, sequelae associated independently of these titers with lower expression of immunoglobulin-related genes, indicating lower non-specific antibody production in subjects with these sequelae. This relationship between lower total immunoglobulins and sequelae was validated in an external cohort. Altogether, multiple etiologies of post-acute sequelae were already detectable during SARS-CoV-2 infection, directly linking these sequelae with the acute host response to the virus and providing early insights into their development.

ORGANISM(S): Homo sapiens

PROVIDER: GSE215865 | GEO | 2022/12/06

REPOSITORIES: GEO

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